buoys, wind, tide, coastal weather and surf report

Kauai Surf Report

 

NOAA and CDIP Buoys Monday, April 20th, 8:55pm PDT Hawaii Buoys Swell Wind Temp NORTHWESTERN HAWAII ONE   4.9 ft 7 sec 18° 2-4 kt 70° 73.6 °F NORTHWESTERN HAWAII TWO   --- --- --- 4-6 kt 50° 75.0 °F NORTHERN HAWAII ONE   5.2 ft 8 sec 41° 6-8 kt 130° 76.6 °F Hanalei, Kauai, HI   4.3 ft 7 sec --- --- --- 78.3 °F WHOTS   --- --- --- 4 kt 150° 75.9 °F Kaneohe Bay, WETS, HI   3.0 ft 8 sec --- --- --- 75.4 °F Mokapu Point, HI   3.6 ft 7 sec --- --- --- 77.0 °F Barbers Point, Kalaeloa, HI   3.0 ft 13 sec 209° --- --- 78.1 °F Pearl Harbor Entrance, HI   2.0 ft 12 sec 164° --- --- 78.1 °F Pauwela, Maui, HI   4.6 ft 8 sec --- --- --- 76.6 °F Kaumalapau Southwest, Lanai, HI   2.3 ft 13 sec 219° --- --- 79.2 °F Hilo, Hawaii, HI   3.9 ft 7 sec 68° --- --- 78.6 °F SOUTHEAST HAWAII   4.6 ft 8 sec 76° 12-14 kt 60° 78.8 °F SOUTHWEST HAWAII   5.6 ft 8 sec 79° 12-14 kt 60° 78.3 °F Tanapag, Saipan, NMI   6.2 ft 13 sec 18° --- --- 81.7 °F Backyard Buoys   1.6 ft 11 sec 279° --- --- --- Ipan, Guam   2.6 ft 10 sec --- --- --- 81.5 °F Aunuu, American Samoa   5.2 ft 8 sec --- --- --- 86.2 °F King-Poloa, American Samoa   3.9 ft 13 sec 208° --- --- 86.5 °F Buoy data courtesy of NOAA and CDIP

 

San Francisco Oahu 48-hour Buoy Charts  -  Kauai Region NORTHWESTERN HAWAII ONE (NOAA 51001) Yesterday Today -- 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 NORTHWESTERN HAWAII TWO (NOAA 51101) Yesterday Today -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 NORTHERN HAWAII ONE (NOAA 51000) Yesterday Today -- 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Hanalei, Kauai (CDIP 202) Yesterday Today 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 WESTERN HAWAII (NOAA 51003) Yesterday Today ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 View all buoy charts  >> Buoy data courtesy of NOAA and CDIP

 

San Francisco Oahu Hanalei Buoy  -  Swell Direction swell direction details Hanalei buoy directional graphic courtesy of CDIP

 

Current Wind Conditions   Kauai Wind Observations Lower Limahuli NNE (30°) 1-2 kt 5:30 pm  Mon 4/20 Common Ground Calm 5:30 pm  Mon 4/20 Moloaa Dairy E (100°) 2-7 kt 4:45 pm  Mon 4/20 Hanamaulu E (90°) 2-3 kt 5:30 pm  Mon 4/20 Lihue ESE (120°) 4 kt 5:00 pm  Mon 4/20 Nawiliwili Nos SE (130°) 6-7 kt 5:24 pm  Mon 4/20 Poipu SSW (210°) 3-5 kt 5:00 pm  Mon 4/20 Lawai Ntbg Calm 5:30 pm  Mon 4/20 Port Allen S (180°) 4-6 kt 5:00 pm  Mon 4/20 Makaha Ridge NW (320°) 2-5 kt 5:11 pm  Mon 4/20 Mana SW (230°) 3-8 kt 5:34 pm  Mon 4/20 Barking Sands WSW (240°) 5 kt 5:00 pm  Mon 4/20 Puu Lua WSW (240°) 2-3 kt 5:35 pm  Mon 4/20 Puu Opae W (270°) 3-7 kt 5:34 pm  Mon 4/20 Waimea Heights SSW (210°) 3-7 kt 5:35 pm  Mon 4/20 Wind observations courtesy of the National Weather Service

 

Kauai Tide Charts Tide chart courtesy of The University of South Carolina

 

Kauai Cloud Cover Satellite imagery courtesy of the National Weather Service

 

Tropical Storms Wundermap - East Pacific    Hurricane Archive Tropical storms map courtesy of the University of Hawaii Institute for Astronomy

 

Kauai Coastal Waters Forecast FZHW50 PHFO 210126 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 326 PM HST Mon Apr 20 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. 326 PM HST Mon Apr 20 2026 .Synopsis for Hawaiian coastal waters... Weak to locally moderate east southeasterly flow will prevail through early Wednesday as a series of low pressure troughs pass northwest and north of the islands. Moderate to fresh northeast trade winds return late Wednesday and last into the weekend as high pressure builds north of the state. Kauai Northwest Waters- 326 PM HST Mon Apr 20 2026 TONIGHT East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. TUESDAY East southeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds, north northeast 3 feet at 9 seconds and northwest 3 feet at 14 seconds. TUESDAY NIGHT East winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: Northwest 4 feet at 12 seconds, northeast 4 feet at 15 seconds and east 3 feet at 7 seconds. WEDNESDAY East northeast winds 7 to 10 knots. Seas to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and northeast 4 feet at 14 seconds. WEDNESDAY NIGHT East northeast winds to 10 knots, rising to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds and north northeast 4 feet at 12 seconds. THURSDAY East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and north northwest 3 feet at 15 seconds. THURSDAY NIGHT East northeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East 4 feet at 5 seconds, northeast 4 feet at 10 seconds and west northwest 3 feet at 15 seconds. FRIDAY East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds, northeast 3 feet at 9 seconds and west northwest 3 feet at 12 seconds. Isolated showers after midnight. SATURDAY East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 13 seconds and northeast 3 feet at 8 seconds. Isolated showers after midnight. Kauai Windward Waters- 326 PM HST Mon Apr 20 2026 TONIGHT East southeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. TUESDAY East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds, north northeast 3 feet at 9 seconds and northwest 3 feet at 13 seconds. TUESDAY NIGHT East northeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 14 seconds, north northeast 4 feet at 15 seconds and east southeast 3 feet at 7 seconds. WEDNESDAY East northeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and north northeast 4 feet at 14 seconds. WEDNESDAY NIGHT East northeast winds to 10 knots, rising to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds, north northeast 4 feet at 12 seconds and east southeast 3 feet at 7 seconds. THURSDAY East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and north northwest 3 feet at 16 seconds. THURSDAY NIGHT East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds, north northeast 4 feet at 10 seconds and west northwest 3 feet at 15 seconds. FRIDAY East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds, northeast 4 feet at 9 seconds and west northwest 3 feet at 12 seconds. Isolated showers after midnight. SATURDAY East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 13 seconds and northeast 3 feet at 8 seconds. Isolated showers in the morning. Isolated showers after midnight. Kauai Leeward Waters- 326 PM HST Mon Apr 20 2026 TONIGHT Southeast winds 7 to 10 knots this evening, becoming variable less than 10 knots. Seas to 3 feet. Scattered showers, mainly this evening. TUESDAY Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North northeast 3 feet at 9 seconds and northwest 3 feet at 14 seconds. TUESDAY NIGHT Northeast winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 12 seconds and north northeast 3 feet at 9 seconds. WEDNESDAY East northeast winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and north northeast 4 feet at 14 seconds. WEDNESDAY NIGHT East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds and north northeast 4 feet at 12 seconds. THURSDAY East northeast winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds, north northeast 4 feet at 11 seconds and northwest 4 feet at 16 seconds. THURSDAY NIGHT East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds, north northeast 3 feet at 10 seconds and west northwest 3 feet at 15 seconds. FRIDAY East northeast winds 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds, north northwest 4 feet at 12 seconds and northeast 3 feet at 9 seconds. SATURDAY East northeast winds 15 to 20 knots, rising to 20 to 25 knots. In the Kaulakahi Channel, east northeast winds 20 to 25 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 12 seconds and north northeast 3 feet at 8 seconds. Isolated showers after midnight. Kauai Channel- 326 PM HST Mon Apr 20 2026 TONIGHT East winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. TUESDAY East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. TUESDAY NIGHT Northeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: North northeast 4 feet at 15 seconds and northwest 3 feet at 14 seconds. WEDNESDAY Northeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North northeast 4 feet at 14 seconds and north northwest 3 feet at 13 seconds. WEDNESDAY NIGHT Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 12 seconds, east northeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds. THURSDAY Northeast winds to 15 knots, rising to 20 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds, north northeast 4 feet at 11 seconds and northwest 3 feet at 12 seconds. THURSDAY NIGHT Northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and north northeast 4 feet at 10 seconds. FRIDAY Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds, northeast 4 feet at 9 seconds and northwest 3 feet at 12 seconds. SATURDAY East northeast winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 6 feet at 7 seconds and north northwest 3 feet at 13 seconds. Coastal waters forecast courtesy of the National Weather Service

 

Long-Range Surf Forecasts Wetsand Hawaii 7-day forecast Surfline Kauai North 3-day forecast Kauai South 3-day forecast Magic Seaweed Hanalei Bay 10-day forecast Long-range surf forecasts provided by Wetsand, Surfline and Magicseaweed